<html>
  <head>
    <meta charset="UTF-8" />
    <title>spine-pixi-v8</title>
    <script src="https://cdn.jsdelivr.net/npm/pixi.js@8.4.1/dist/pixi.js"></script>
    <script src="../dist/iife/spine-pixi-v8.js"></script>
    <link rel="stylesheet" href="../../index.css">
  </head>

  <body>
    <script>
      (async function () {
        var app = new PIXI.Application();
        await app.init({
          width: window.innerWidth,
          height: window.innerHeight,
          resolution: window.devicePixelRatio || 1,
          autoDensity: true,
          resizeTo: window,
          backgroundColor: 0x2c3e50,
          hello: true,
        })
        document.body.appendChild(app.canvas);

        // Pre-load the skeleton data and atlas. You can also load .json skeleton data.
        PIXI.Assets.add({alias: "spineboyData", src: "/assets/spineboy-pro.skel" });
        PIXI.Assets.add({alias: "spineboyAtlas", src: "/assets/spineboy-pma.atlas" });
        await PIXI.Assets.load(["spineboyData", "spineboyAtlas"]);

        // Create the spine display object
        const spineboy = spine.Spine.from({skeleton: "spineboyData", atlas: "spineboyAtlas",
          scale: 0.5,
        });

        // Set the default animation and the
        // default mix for transitioning between animations.
        spineboy.state.setAnimation(0, "hoverboard", true);
        spineboy.state.data.defaultMix = 0.2;

        // Center the spine object on screen.
        spineboy.x = window.innerWidth / 2;
        spineboy.y = window.innerHeight / 2 + spineboy.getBounds().height / 2;

        // Make it so that you can interact with Spineboy.
        // Handle the case that you click/tap the screen.
        spineboy.eventMode = 'static';
        spineboy.on('pointerdown', onClick);

        // Add the display object to the stage.
        app.stage.addChild(spineboy);

        // Add variables for movement, speed.
        let moveLeft = false;
        let moveRight = false;
        const speed = 5;

        // Handle the case that the keyboard keys specified below are pressed.
        function onKeyDown(key) {
          if (key.code === "ArrowLeft" || key.code === "KeyA") {
            moveLeft = true;
            spineboy.skeleton.scaleX = -1;
          } else if (key.code === "ArrowRight" || key.code === "KeyD") {
            moveRight = true;
            spineboy.skeleton.scaleX = 1;
          }
        }

        // Handle when the keys are released, if they were pressed.
        function onKeyUp(key) {
          if (key.code === "ArrowLeft" || key.code === "KeyA") {
            moveLeft = false;
          } else if (key.code === "ArrowRight" || key.code === "KeyD") {
            moveRight = false;
          }
        }

        // Handle if you click/tap the screen.
        function onClick() {
          spineboy.state.setAnimation(1, "shoot", false, 0);
        }

        // Add event listeners so that the window will correctly handle input.
        window.addEventListener("keydown", onKeyDown);
        window.addEventListener("keyup", onKeyUp);

        // Update the application to move Spineboy if input is detected.
        app.ticker.add(() => {
          if (moveLeft) {
            spineboy.x -= speed;
          }
          if (moveRight) {
            spineboy.x += speed;
          }
        });
      })();
    </script>
  </body>
</html>
